package cn.school.dao;

import cn.school.entity.Grade;
import cn.school.entity.Result;

import java.util.List;

public interface GradeMapper {
    public List<Grade> findALL();
    public int add(Grade g);
    public int update(Grade g);
    public int del(long id);
    //根据id查subject信息
    public Grade get(long id);
}
